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CBSE Class 8 Science

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CBSE Class 8 Science

NCERT foundation practice — Class 8 Science

20-question mock15 min33% pass markIndia

Single questions with instant feedback — no timer, learn as you go.

Exam blueprint

What this exam covers

14 topics · drawn across your practice and mock
01Crop Production and Management
10%2 questions
02Microorganisms
10%2 questions
03Coal and Petroleum
10%2 questions
04Combustion and Flame
10%2 questions
05Cell Structure and Functions
10%2 questions
06Sound
10%2 questions
07Synthetic Fibres and Plastics
5%1 question
08Materials Metals and Non-metals
5%1 question
09Conservation of Plants and Animals
5%1 question
10Reproduction in Animals
5%1 question
11Force and Pressure
5%1 question
12Friction
5%1 question
13Chemical Effects of Electric Current
5%1 question
14Light
5%1 question
Your study path
Master this exam, topic by topic
Drill one topic at a time. After each session you'll see where you went wrong and can retake until you've got it.
Questions per session
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Official source
CBSE
The Central Board of Secondary Education sets the syllabus and conducts these exams.
AceMark is an independent practice tool, not affiliated with the exam authority. Always confirm the current syllabus, fees and dates on the official site.
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Frequently asked questions

Is the CBSE Class 8 Science practice test free?

Yes. The core CBSE Class 8 Science practice on AceMark is free to start — no credit card needed. Sign in (takes 10 seconds) if you'd like to track your progress, save attempts, and unlock the Mentor. Otherwise, browse and explore questions without an account.

How many questions are in the CBSE Class 8 Science quiz?

Each CBSE Class 8 Science attempt draws 20 questions and runs for about 45 minutes under realistic timed conditions.

Can I retake the CBSE Class 8 Science test, and are the questions randomised?

Yes. Every attempt pulls a fresh, randomised set of questions, so you can't memorise your way through — you retake it until you genuinely know the material.

What score do I need to pass the CBSE Class 8 Science?

The pass mark used in this simulation is 33%. AceMark scores every attempt instantly and shows which topics to review.